Punching/Perforation Machine

Patent No. EP3946854 (titled "Punching/Perforation Machine") was filed by Wista Werkzeugfertigungs on Apr 1, 2020. The application was issued on Feb 21, 2024.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
RING MASCHINENBAU	Nov 15, 2024	WITTE

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Dec 12, 2025
Annex to the communication - opposition
Dec 12, 2025
Brief communication - Opposition proceedings
Dec 12, 2025
Brief communication - Opposition proceedings
Dec 12, 2025
Grounds for the decision (Annex) - opposition
Dec 12, 2025
Interlocutory decision in opposition proceedings
Dec 12, 2025
Interlocutory decision in opposition proceedings
Dec 12, 2025
Means of redress
Dec 12, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 12, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 12, 2025
OPPODREX with handwritten amendments
Dec 12, 2025
Provision of a copy of the minutes - opposition procedure
Dec 12, 2025
Provision of a copy of the minutes - opposition procedure
Dec 12, 2025
Scanned annex to a communication - opposition procedure
Dec 12, 2025
Scanned annex to a communication - opposition procedure
Dec 12, 2025
Scanned annex to a communication - opposition procedure
Dec 12, 2025
Scanned annex to a communication - opposition procedure
Dec 10, 2025
Decision of the Opposition Division and instruction
Nov 27, 2025
Information about the result of oral proceedings
Nov 24, 2025
Brief communication - Opposition proceedings
Nov 20, 2025
(Electronic) Receipt
Nov 20, 2025
Letter accompanying subsequently filed items
Nov 20, 2025
Written submission in preparation to/during oral proceedings
Oct 30, 2025
Brief communication - Opposition proceedings
Oct 29, 2025
(Electronic) Receipt
Oct 29, 2025
Auxiliary request during Opposition procedure - 06
Oct 29, 2025
Letter accompanying subsequently filed items
Oct 29, 2025
Written submission in preparation to/during oral proceedings
Oct 27, 2025
Brief communication - Opposition proceedings
Oct 23, 2025
(Electronic) Receipt
Oct 23, 2025
Letter accompanying subsequently filed items
Oct 23, 2025
Written submission in preparation to/during oral proceedings
Sep 26, 2025
Brief communication - Opposition proceedings
Sep 26, 2025
Brief communication - Opposition proceedings
Sep 25, 2025
(Electronic) Receipt
Sep 25, 2025
Letter accompanying subsequently filed items
Sep 25, 2025
Request for interpreters during oral proceedings
Sep 25, 2025
Written submission in preparation to/during oral proceedings
Sep 24, 2025
(Electronic) Receipt
Sep 24, 2025
(Electronic) Receipt
Sep 24, 2025
Auxiliary request during Opposition procedure - 03
Sep 24, 2025
Auxiliary request during Opposition procedure - 04
Sep 24, 2025
Auxiliary request during Opposition procedure - 05
Sep 24, 2025
Letter accompanying subsequently filed items
Sep 24, 2025
Letter accompanying subsequently filed items
Sep 24, 2025
Written submission in preparation to/during oral proceedings
Sep 24, 2025
Written submission in preparation to/during oral proceedings
Apr 17, 2025
Annex to the communication - opposition
Apr 17, 2025
Information concerning oral proceedings
Apr 17, 2025
Scanned annex to a communication - opposition procedure
Apr 17, 2025
Summons to attend oral proceedings
Apr 17, 2025
Summons to attend oral proceedings
Mar 12, 2025
Brief communication - Opposition proceedings
Mar 7, 2025
(Electronic) Receipt
Mar 7, 2025
Letter accompanying subsequently filed items
Mar 7, 2025
Reply from the opponent to submission of proprietor
Mar 6, 2025
Brief communication - Opposition proceedings
Feb 27, 2025
(Electronic) Receipt
Feb 27, 2025
Auxiliary request during Opposition procedure - 01
Feb 27, 2025
Auxiliary request during Opposition procedure - 02
Feb 27, 2025
Letter accompanying subsequently filed items
Feb 27, 2025
Reply of the patent proprietor to the notice(s) of opposition
Dec 5, 2024
Communication of a notice of opposition and request to file observations
Dec 5, 2024
Notice of further oppositions to opponent(s)
Nov 27, 2024
Brief communication - Opposition proceedings
Nov 21, 2024
Communication of a notice of opposition - first information to patent proprietor
Nov 18, 2024
Letter regarding the opposition procedure (no time limit)
Nov 15, 2024
(Electronic) Receipt
Nov 15, 2024
Any annexes (other than citation) to an opposition letter
Nov 15, 2024
Citation in opposition procedure - 001
Nov 15, 2024
Citation in opposition procedure - 002
Nov 15, 2024
Citation in opposition procedure - 003
Nov 15, 2024
Citation in opposition procedure - 004
Nov 15, 2024
Citation in opposition procedure - 005
Nov 15, 2024
Citation in opposition procedure - 006
Nov 15, 2024
Citation in opposition procedure - 007
Nov 15, 2024
Citation in opposition procedure - 008
Nov 15, 2024
Citation in opposition procedure - 008
Nov 15, 2024
Citation in opposition procedure - 009
Nov 15, 2024
Citation in opposition procedure - 010
Nov 15, 2024
Citation in opposition procedure - 010
Nov 15, 2024
Citation in opposition procedure - 011
Nov 15, 2024
Citation in opposition procedure - 012
Nov 15, 2024
Citation in opposition procedure - 012
Nov 15, 2024
Citation in opposition procedure - 013
Nov 15, 2024
Citation in opposition procedure - 013
Nov 15, 2024
Citation in opposition procedure - 014
Nov 15, 2024
Citation in opposition procedure - 014
Nov 15, 2024
Citation in opposition procedure - 015
Nov 15, 2024
Citation in opposition procedure - 015
Nov 15, 2024
Citation in opposition procedure - 016
Nov 15, 2024
Citation in opposition procedure - 016
Nov 15, 2024
Citation in opposition procedure - 017
Nov 15, 2024
Citation in opposition procedure - 018
Nov 15, 2024
Citation in opposition procedure - 019
Nov 15, 2024
Citation in opposition procedure - 020
Nov 15, 2024
Citation in opposition procedure - 020
Nov 15, 2024
Consolidated list of cited opposition documents
Nov 15, 2024
Notice of opposition
Nov 15, 2024
Notice of opposition
Mar 5, 2024
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 25, 2024
Decision to grant a European patent
Jan 17, 2024
Communication of the registration of a transfer or change of name and/or address
Jan 10, 2024
(Electronic) Receipt
Jan 10, 2024
English translation of the claims
Jan 10, 2024
Filing of the translations of the claims
Jan 10, 2024
French translation of claims
Jan 10, 2024
Letter accompanying subsequently filed items
Nov 30, 2023
Communication confirming withdrawal from representation
Nov 30, 2023
Communication of amended entries concerning the representative
Nov 22, 2023
Submission concerning change of applicant's representative
Nov 22, 2023
Submission concerning change of applicant's representative
Oct 4, 2023
Annex to the communication about intention to grant a European patent
Oct 4, 2023
Bibliographic data of the European patent application
Oct 4, 2023
Communication about intention to grant a European patent
Oct 4, 2023
Intention to grant (signatures)
Oct 4, 2023
Text intended for grant (clean copy)
Oct 4, 2023
Text intended for grant (version for approval)
Sep 20, 2023
Examination started
Sep 20, 2023
Response to enquiry for communication from the Examining Division
Sep 6, 2023
(Electronic) Receipt
Sep 6, 2023
Enquiry as to the processing of the file
Sep 6, 2023
Letter accompanying subsequently filed items
Aug 9, 2022
(Electronic) Receipt
Aug 9, 2022
Letter accompanying subsequently filed items
Aug 9, 2022
Statement of non-availability of priority search results
Jun 29, 2022
Invitation to file a copy of search results(priority)
May 23, 2022
(Electronic) Receipt
May 23, 2022
Amended description filed after receipt of (European) search report
May 23, 2022
Amended description with annotations
May 23, 2022
Amendments received before examination
May 23, 2022
Letter accompanying subsequently filed items
Jan 12, 2022
Notification on forthcoming publication of bibliographic data
Nov 12, 2021
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 29, 2021
(Electronic) Receipt
Oct 29, 2021
Request for entry into the European phase
Oct 18, 2021
Copy of the international preliminary report on patentability
Aug 13, 2021
Information on entry into European phase
Oct 26, 2020
Priority document (electronically transmitted)
Oct 8, 2020
Copy of the international search report
Oct 8, 2020
Copy of the international search report
Oct 8, 2020
Published international application - A1
Jul 14, 2020
ISR: cited documents
Jul 14, 2020
International Search Report - copy in English for the IB
Jul 14, 2020
Written opinion of the ISA, boxes No. I to VIII
Jul 14, 2020
Written opinion of the ISA, cover sheet
Jul 14, 2020
Written opinion of the ISA, supplemental box
May 18, 2020
Notification of the recording of a change
May 14, 2020
Notification of receipt of Search copy
Apr 29, 2020
Abstract
Apr 29, 2020
Annex
Apr 29, 2020
Annex
Apr 29, 2020
Annex
Apr 29, 2020
Claims
Apr 29, 2020
Description
Apr 29, 2020
Drawings
Apr 29, 2020
Notification Concerning Documents Transmitted (copy for ISA/EP)
Apr 29, 2020
Notification Concerning Documents Transmitted (copy for ISA/EP)
Apr 29, 2020
Notification relating to declaration under Rule 4.17 PCT (copy for ISA/EP)
Apr 29, 2020
Request form for international application (copy for ISA/EP)
Apr 29, 2020
Submission concerning representation

EP3946854

WISTA WERKZEUGFERTIGUNGS

Application Number: EP20722441A
Filing Date: Apr 1, 2020
Status: Granted And Under Opposition; Jan 19, 2024
Publication Date: Feb 21, 2024
External Links: Slate, Register , Google Patents

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Dossier Documents

EP3946854